Cod sursa(job #1144689)

Utilizator ciubakkaCiobotarasu Vlad ciubakka Data 17 martie 2014 14:21:49
Problema Ridicare la putere in timp logaritmic Scor 0
Compilator cpp Status done
Runda Arhiva educationala Marime 0.38 kb
#include <iostream>
#include <fstream>
#define nr 1999999973
using namespace std;
ifstream f("lgput.in");
ofstream g("lgput.out");

long long putere(long long x, long long y)
{
    if(!((unsigned long)y&1))
        return putere(x*x,y/2);
    else return x*putere(x*x,(y-1)/2);
}
int main()
{
    long long n,p;
    f>>n>>p;
    g<<putere(n,p)%nr;
    return 0;
}